Bug 604368 - Protect against the this translator returning a this object from another domain. r=peterv

--HG--
extra : rebase_source : cf6f17e100d0b2fc1cef483e3480757f636d877a

js/src/xpconnect/src/xpcwrappedjsclass.cpp

@@ -1442,6 +1442,8 @@ nsXPCWrappedJSClass::CallMethod(nsXPCWrappedJS* wrapper, uint16 methodIndex,
                                     goto pre_call_clean_up;
                                 }
                                 thisObj = JSVAL_TO_OBJECT(v);
+                                if(!JS_WrapObject(cx, &thisObj))
+                                    goto pre_call_clean_up;
                             }
                         }
                     }